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KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
Diagnostic Checklist
TERMINOLOGY
Abbreviations
Extraventricular obstructive hydrocephalus (EVOH)
Synonyms
"Communicating" hydrocephalus
Definitions
Enlarged ventricles due to obstruction located outside ventricular system
IMAGING
General Features
CT Findings
MR Findings
Imaging Recommendations
Other Modality Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
CLINICAL ISSUES
Presentation
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Selected References
Capone PM et al: Neuroimaging of normal pressure hydrocephalus and hydrocephalus. Neurol Clin. 38(1):171-83, 2020
Farb R et al: Hydrocephalus and CSF disorders. Diseases of the brain, head and neck, spine 2020-3: Diagnostic Imaging. Cham (CH): Springer; 11-24, 2020
Fowler JB et al: Ventriculoperitoneal shunt. Treasure Island (FL): StatPearls Publishing, 2020
Roth J et al: The added value of magnetic resonance imaging cisternography and ventriculography as a diagnostic aid in pediatric Hydrocephalus. Pediatr Neurosurg. 54(3):165-72, 2019
Fink KR et al: Imaging of nontraumatic neuroradiology emergencies. Radiol Clin North Am. 53(4):871-90, 2015
Flannery AM et al: Pediatric hydrocephalus: systematic literature review and evidence-based guidelines. Part 1: introduction and methodology. J Neurosurg Pediatr. 14 Suppl 1:3-7, 2014
Grunwald IQ et al: Aneurysmal SAH: current management and complications associated with treatment and disease. J Invasive Cardiol. 26(1):30-7, 2014
Krähenbühl AK et al: Endoscopic temporal ventriculocisternostomy: an option for the treatment of trapped temporal horns. J Neurosurg Pediatr. 11(5):568-74, 2013
McAllister JP 2nd: Pathophysiology of congenital and neonatal hydrocephalus. Semin Fetal Neonatal Med. 17(5):285-94, 2012
Feng F et al: Evaluation of radionuclide cerebrospinal fluid scintigraphy as a guide in the management of patients with hydrocephalus. Clin Imaging. 33(2):85-9, 2009
Yamada S et al: Visualization of cerebrospinal fluid movement with spin labeling at MR imaging: preliminary results in normal and pathophysiologic conditions. Radiology. 249(2):644-52, 2008
Greitz D: Paradigm shift in hydrocephalus research in legacy of Dandy's pioneering work: rationale for third ventriculostomy in communicating hydrocephalus. Childs Nerv Syst. 23(5):487-9, 2007
ter Laan M et al: Improvement after treatment of hydrocephalus in aneurysmal subarachnoid haemorrhage: implications for grading and prognosis. Acta Neurochir (Wien). 148(3):325-8; discussion 328, 2006
Greitz D: Radiological assessment of hydrocephalus: new theories and implications for therapy. Neurosurg Rev. 27(3):145-65; discussion 166-7, 2004
Kehler U et al: Extraventricular intracisternal obstructive hydrocephalus--a hypothesis to explain successful 3rd ventriculostomy in communicating hydrocephalus. Pediatr Neurosurg. 38(2):98-101, 2003
Biedert S et al: [Extraventricular obstructive hydrocephalus.] Fortschr Neurol Psychiatr. 62(11):405-8, 1994
Related Anatomy
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Related Differential Diagnoses
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
Diagnostic Checklist
TERMINOLOGY
Abbreviations
Extraventricular obstructive hydrocephalus (EVOH)
Synonyms
"Communicating" hydrocephalus
Definitions
Enlarged ventricles due to obstruction located outside ventricular system
IMAGING
General Features
CT Findings
MR Findings
Imaging Recommendations
Other Modality Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
CLINICAL ISSUES
Presentation
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Selected References
Capone PM et al: Neuroimaging of normal pressure hydrocephalus and hydrocephalus. Neurol Clin. 38(1):171-83, 2020
Farb R et al: Hydrocephalus and CSF disorders. Diseases of the brain, head and neck, spine 2020-3: Diagnostic Imaging. Cham (CH): Springer; 11-24, 2020
Fowler JB et al: Ventriculoperitoneal shunt. Treasure Island (FL): StatPearls Publishing, 2020
Roth J et al: The added value of magnetic resonance imaging cisternography and ventriculography as a diagnostic aid in pediatric Hydrocephalus. Pediatr Neurosurg. 54(3):165-72, 2019
Fink KR et al: Imaging of nontraumatic neuroradiology emergencies. Radiol Clin North Am. 53(4):871-90, 2015
Flannery AM et al: Pediatric hydrocephalus: systematic literature review and evidence-based guidelines. Part 1: introduction and methodology. J Neurosurg Pediatr. 14 Suppl 1:3-7, 2014
Grunwald IQ et al: Aneurysmal SAH: current management and complications associated with treatment and disease. J Invasive Cardiol. 26(1):30-7, 2014
Krähenbühl AK et al: Endoscopic temporal ventriculocisternostomy: an option for the treatment of trapped temporal horns. J Neurosurg Pediatr. 11(5):568-74, 2013
McAllister JP 2nd: Pathophysiology of congenital and neonatal hydrocephalus. Semin Fetal Neonatal Med. 17(5):285-94, 2012
Feng F et al: Evaluation of radionuclide cerebrospinal fluid scintigraphy as a guide in the management of patients with hydrocephalus. Clin Imaging. 33(2):85-9, 2009
Yamada S et al: Visualization of cerebrospinal fluid movement with spin labeling at MR imaging: preliminary results in normal and pathophysiologic conditions. Radiology. 249(2):644-52, 2008
Greitz D: Paradigm shift in hydrocephalus research in legacy of Dandy's pioneering work: rationale for third ventriculostomy in communicating hydrocephalus. Childs Nerv Syst. 23(5):487-9, 2007
ter Laan M et al: Improvement after treatment of hydrocephalus in aneurysmal subarachnoid haemorrhage: implications for grading and prognosis. Acta Neurochir (Wien). 148(3):325-8; discussion 328, 2006
Greitz D: Radiological assessment of hydrocephalus: new theories and implications for therapy. Neurosurg Rev. 27(3):145-65; discussion 166-7, 2004
Kehler U et al: Extraventricular intracisternal obstructive hydrocephalus--a hypothesis to explain successful 3rd ventriculostomy in communicating hydrocephalus. Pediatr Neurosurg. 38(2):98-101, 2003
Biedert S et al: [Extraventricular obstructive hydrocephalus.] Fortschr Neurol Psychiatr. 62(11):405-8, 1994
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